Fair Value Measurements - Assets and Liabilities Recorded at Fair Value (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Assets:
Deferred compensation assets	$ 13.3	$ 12.8
Foreign currency contracts	5.7	3.0
Total assets at fair value	20.8	16.1
Liabilities:
Contingent consideration	3.9	3.6
Deferred compensation liabilities	15.0	14.5
Total liabilities at fair value	24.1	33.4
Cross-currency swap
Assets:
Foreign currency contracts	0.9
Liabilities:
Foreign currency contracts and swaps		5.6
Commodity call options
Assets:
Commodity call options	0.9	0.3
Foreign currency contracts
Liabilities:
Foreign currency contracts and swaps	5.2	9.7
Level 1
Assets:
Deferred compensation assets	13.3	12.8
Foreign currency contracts	0.0	0.0
Total assets at fair value	13.3	12.8
Liabilities:
Contingent consideration	0.0	0.0
Deferred compensation liabilities	15.0	14.5
Total liabilities at fair value	15.0	14.5
Level 1 | Cross-currency swap
Assets:
Foreign currency contracts	0.0
Liabilities:
Foreign currency contracts and swaps		0.0
Level 1 | Commodity call options
Assets:
Commodity call options	0.0	0.0
Level 1 | Foreign currency contracts
Liabilities:
Foreign currency contracts and swaps	0.0	0.0
Level 2
Assets:
Deferred compensation assets	0.0	0.0
Foreign currency contracts	5.7	3.0
Total assets at fair value	7.5	3.3
Liabilities:
Contingent consideration	0.0	0.0
Deferred compensation liabilities	0.0	0.0
Total liabilities at fair value	5.2	15.3
Level 2 | Cross-currency swap
Assets:
Foreign currency contracts	0.9
Liabilities:
Foreign currency contracts and swaps		5.6
Level 2 | Commodity call options
Assets:
Commodity call options	0.9	0.3
Level 2 | Foreign currency contracts
Liabilities:
Foreign currency contracts and swaps	5.2	9.7
Level 3
Assets:
Deferred compensation assets	0.0	0.0
Foreign currency contracts	0.0	0.0
Total assets at fair value	0.0	0.0
Liabilities:
Contingent consideration	3.9	3.6
Deferred compensation liabilities	0.0	0.0
Total liabilities at fair value	3.9	3.6
Level 3 | Cross-currency swap
Assets:
Foreign currency contracts	0.0
Liabilities:
Foreign currency contracts and swaps		0.0
Level 3 | Commodity call options
Assets:
Commodity call options	0.0	0.0
Level 3 | Foreign currency contracts
Liabilities:
Foreign currency contracts and swaps	$ 0.0	$ 0.0